-----BEGIN PRIVACY-ENHANCED MESSAGE-----
Proc-Type: 2001,MIC-CLEAR
Originator-Name: webmaster@www.sec.gov
Originator-Key-Asymmetric:
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 TWSM7vrzLADbmYQaionwg5sDW3P6oaM5D3tdezXMm7z1T+B+twIDAQAB
MIC-Info: RSA-MD5,RSA,
 NzMRuOeAbG+/PwDmKNwtg91p+bP1SH1JFmfJUCecHSLpFcznHwG7xUzxqZDwI0np
 05392xa8ENeDNNVdqUO5YA==

<SEC-DOCUMENT>0001341352-05-000001.txt : 20051014
<SEC-HEADER>0001341352-05-000001.hdr.sgml : 20051014
<ACCEPTANCE-DATETIME>20051014140316
ACCESSION NUMBER:		0001341352-05-000001
CONFORMED SUBMISSION TYPE:	3
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20050812
FILED AS OF DATE:		20051014
DATE AS OF CHANGE:		20051014

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			MEDICSIGHT INC
		CENTRAL INDEX KEY:			0001001601
		STANDARD INDUSTRIAL CLASSIFICATION:	SERVICES-PREPACKAGED SOFTWARE [7372]
		IRS NUMBER:				133758042
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	BUSINESS ADDRESS:	
		STREET 1:		46 BERKELEY SQUARE
		CITY:			LONDON UNITED KINGDO
		ZIP:			W1Y 7FF
		BUSINESS PHONE:		2124064700

	MAIL ADDRESS:	
		STREET 1:		C/O LAW OFFICE OF BECKMAN MILLMAN & SAND
		STREET 2:		116 JOHN STREET
		CITY:			NEW YORKMELVILLE
		STATE:			NY
		ZIP:			10038

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	HTTP TECHNOLOGY INC
		DATE OF NAME CHANGE:	20001016

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	INTERNET HOLDINGS INC
		DATE OF NAME CHANGE:	19980520

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	CHINA BIOMEDICAL GROUP INC
		DATE OF NAME CHANGE:	19951003

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			MASON DAVID
		CENTRAL INDEX KEY:			0001341352

	FILING VALUES:
		FORM TYPE:		3
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	000-26888
		FILM NUMBER:		051138436

	BUSINESS ADDRESS:	
		BUSINESS PHONE:		011442075984070

	MAIL ADDRESS:	
		STREET 1:		46 BERKELEY SQUARE
		CITY:			LONDON
		STATE:			X0
		ZIP:			W1J 5AT
</SEC-HEADER>
<DOCUMENT>
<TYPE>3
<SEQUENCE>1
<FILENAME>primary_doc.xml
<DESCRIPTION>PRIMARY DOCUMENT
<TEXT>
<XML>
<?xml version="1.0"?>
<ownershipDocument>

    <schemaVersion>X0202</schemaVersion>

    <documentType>3</documentType>

    <periodOfReport>2005-08-12</periodOfReport>

    <noSecuritiesOwned>1</noSecuritiesOwned>

    <issuer>
        <issuerCik>0001001601</issuerCik>
        <issuerName>MEDICSIGHT INC</issuerName>
        <issuerTradingSymbol>MSHT</issuerTradingSymbol>
    </issuer>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001341352</rptOwnerCik>
            <rptOwnerName>MASON DAVID</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>46 BERKELEY SQUARE</rptOwnerStreet1>
            <rptOwnerStreet2></rptOwnerStreet2>
            <rptOwnerCity>LONDON</rptOwnerCity>
            <rptOwnerState>X0</rptOwnerState>
            <rptOwnerZipCode>W1J 5AT</rptOwnerZipCode>
            <rptOwnerStateDescription>UNITED KINGDOM</rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>1</isDirector>
            <isOfficer>0</isOfficer>
            <isTenPercentOwner>0</isTenPercentOwner>
            <isOther>0</isOther>
        </reportingOwnerRelationship>
    </reportingOwner>

    <ownerSignature>
        <signatureName>DAVID MASON</signatureName>
        <signatureDate>2005-10-14</signatureDate>
    </ownerSignature>
</ownershipDocument>
</XML>
</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
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